yes m8 i used dremmel as i followed your guide also i cant get my unit back any ferther Dimensions: 185.7mm(L) × 192.8mm(W) × 107.7mm(H) this unit has to sit long way out for the sd card reader & mini usb on sides,
this Eonon E609 7" LCD TOUCH SCREEN cost me only £100 inc del and works perfect
here is a link to the seller
http://stores.ebay.co.uk/Eonon